What does Mazak alarm 421 mean?

Mazak alarm 421 is "DATA NOT FOUND". An attempt has been made to designate the data that does not exist. Error type: Operation — wrong key or incorrect operation. Machine state: Operation continued — machine still running.

How do I fix and clear Mazak alarm 421?

Check whether the designated data exists. Clearing procedure: Tap alarm clear button.

ALARMSMazatrol Assistant

NOTICEAlarm code

421

DATA NOT FOUND

What it means

An attempt has been made to designate the data that does not exist.

What to do

1Check whether the designated data exists.

Codebook — decoded

AError typeOperation — wrong key or incorrect operation

LStop statusOperation continued — machine still running

SClearingTap alarm clear button

Still faulted after these steps? Do not restart under load — ask the Mazatrol assistant.

Still stuck? Ask the Mazatrol assistant →